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1 ZLib for Ada thick binding (ZLib.Ada)
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2 Release 1.3
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3
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4 ZLib.Ada is a thick binding interface to the popular ZLib data
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5 compression library, available at http://www.gzip.org/zlib/.
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6 It provides Ada-style access to the ZLib C library.
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7
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8
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9 Here are the main changes since ZLib.Ada 1.2:
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10
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11 - Attension: ZLib.Read generic routine have a initialization requirement
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12 for Read_Last parameter now. It is a bit incompartible with previous version,
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13 but extends functionality, we could use new parameters Allow_Read_Some and
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14 Flush now.
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15
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16 - Added Is_Open routines to ZLib and ZLib.Streams packages.
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17
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18 - Add pragma Assert to check Stream_Element is 8 bit.
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19
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20 - Fix extraction to buffer with exact known decompressed size. Error reported by
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21 Steve Sangwine.
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22
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23 - Fix definition of ULong (changed to unsigned_long), fix regression on 64 bits
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24 computers. Patch provided by Pascal Obry.
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25
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26 - Add Status_Error exception definition.
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27
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28 - Add pragma Assertion that Ada.Streams.Stream_Element size is 8 bit.
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29
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30
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31 How to build ZLib.Ada under GNAT
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32
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33 You should have the ZLib library already build on your computer, before
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34 building ZLib.Ada. Make the directory of ZLib.Ada sources current and
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35 issue the command:
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36
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37 gnatmake test -largs -L<directory where libz.a is> -lz
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38
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39 Or use the GNAT project file build for GNAT 3.15 or later:
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40
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41 gnatmake -Pzlib.gpr -L<directory where libz.a is>
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42
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43
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44 How to build ZLib.Ada under Aonix ObjectAda for Win32 7.2.2
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45
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46 1. Make a project with all *.ads and *.adb files from the distribution.
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47 2. Build the libz.a library from the ZLib C sources.
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48 3. Rename libz.a to z.lib.
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49 4. Add the library z.lib to the project.
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50 5. Add the libc.lib library from the ObjectAda distribution to the project.
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51 6. Build the executable using test.adb as a main procedure.
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52
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53
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54 How to use ZLib.Ada
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55
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56 The source files test.adb and read.adb are small demo programs that show
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57 the main functionality of ZLib.Ada.
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58
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59 The routines from the package specifications are commented.
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60
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61
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62 Homepage: http://zlib-ada.sourceforge.net/
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63 Author: Dmitriy Anisimkov <anisimkov@yahoo.com>
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64
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65 Contributors: Pascal Obry <pascal@obry.org>, Steve Sangwine <sjs@essex.ac.uk>
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